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    Verified insulation services reviews

Find Insulation pros in Cortland

Hawx Insulation- Chicago
4.1(
361
)
Blown-In Insulation - Install or Upgrade

Serving Cortland, IL and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

At Hawx Pest Control, our company is based on the belief that our customers' needs are of the utmost importance. Our team is committed to meeting those needs. Hawx Premium Pest Control will treat your pests, mosquitos, and more- then keep them away for good. If pests come back between treatments so will we, at no additional cost to you. We welcome the opportunity to earn your trust and deliver you the best service. No job is too big or too small for our experienced team. Call today for a quote. \n

21 neighbors recently requested a quote
Recommended by75%of homeowners
Fox Valley Gutter Cap, Inc.
4.7(
357
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Cortland, IL and surrounding areas

In business since 2000

Free estimates

Warranties offered

"Hired Fox Valley Gutter Cap to install blown in insulation. They explained entire process and I found them to be friendly, honest, and dependable. Scheduled to arrive at 9am. They arrived exactly at 9 and were done by 10:30. Cleaned up all residue and job looked great . Wouldn't hesitate for a second to hire again or recommend them. Love dealing with straight shooting companies."
Response time1 day
Recommended by98%of homeowners
Avatar for Euro Home Insulation
Euro Home Insulation
5.0(
6
)
Blown-In Insulation - Install or Upgrade

Serving Cortland, IL and surrounding areas

In business since 2025

Free estimates

Emergency services offered

"I hired this company to do Blown in insulation in my attic, the job was done very efficiently, as well as professionally, the workers were very diligent in duties as well as very respectful. I recommend this company."
Attic insulation
Attic insulation
Attic insulation
Attic insulation
Attic insulation

+4

Response time5 hrs
Response rate100%
Saunders Insulation Specialist
4.6(
14
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Cortland, IL and surrounding areas

In business since 1995

Free estimates

"I had three different people groups in who came in and gave me an estimate and what might be needed and what they discovered is that for some reason when the house was built 16 years ago, they did not really do adequate insulation.  I did feel very comfortable with Precise & Snug.  They were good about being able to show me pictures.  They showed how it looks up on the attic.  When you are in the process, the told us that they can do this and that and it would cost so much and the final bill was $20,000.  I would not use their service in the future."
Recommended by100%of homeowners
Avatar for GF Company
GF Company
4.6(
152
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install+2 more

Serving Cortland, IL and surrounding areas

In business since 1974

Free estimates

Credit card accepted

"we had a large double window two windows one opening replaced they did a a good job made that room much warmer in winter which is what we were after it is now the warmest room in the house in the winter which is good as it is the room we spend most our time in. will defiantly be having them out to price gutters when we are ready in the spring."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+19

Recommended by93%of homeowners
Bolhous Insulation
3.3(
6
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Cortland, IL and surrounding areas

In business since 1980

Free estimates

Credit card accepted

"Butch was prompt on coming to our home and getting us an estimate before he left. They arrived on time, got their work done and did a nice job of cleaning up. It's too early to grade how the new insulation is doing as far as comfort and energy efficiency."
Response time11 hrs
Recommended by100%of homeowners
Showing 1-10 of 40
Insulation questions, answered by experts

Yes, insulating ductwork in a crawl space is a worthwhile investment, especially if you live in a colder climate or run your air conditioning for most of the year. Uninsulated ducts can lose up to 30% of their heating and cooling efficiency, which can significantly impact your electricity bill. The project is a relatively small investment and typically only takes a few hours. It's a particularly simple add-on if you are already hiring someone to insulate the entire crawl space. An added benefit is that insulated ducts put off less hot or cold air, making them less attractive to pests.

The best time to insulate a garage ceiling is when the weather is mild and dry. That means it shouldn’t be stormy, snowy, or raining, and the temperatures should be comfortable. Ideally, you’ll insulate your garage ceiling in the fall, before winter hits. Not only will you be the most comfortable, but you’ll also likely see the greatest energy savings heading into the colder weather with a newly insulated garage.

STC (Sound Transmission Class) is a rating that describes how well a building material or assembly blocks airborne sound. A higher STC rating means less noise will pass through the material, providing better sound reduction. This rating system applies to various building components, including windows, doors, flooring, drywall, and insulation.

For context, a typical single-pane window has an STC rating of around 25 (where normal conversations are audible), while a well-sealed, double-pane window can exceed STC 45 (blocking loud speech and most music). It is important to note that for some products, like soundproofing drywall, the STC rating refers to the entire wall system, not just the individual panel.

Additionally, STC ratings are most effective for measuring sound reduction at mid-to-high frequencies, such as human speech, and may not accurately reflect how well a material blocks low-frequency sounds like bass music or thunder. Because of these factors, it is recommended to consult a professional to determine the right STC-rated materials for your specific soundproofing needs.

You won’t find anything inside a cupola on a house because it’s hollow (think of an upside-down cup), allowing air to ventilate out of a roof via vents and light to come in via windows. They also usually have a base, vents around the middle (usually louvers), and a pointed cap at the top.

Closed-cell spray foam insulation itself serves as a vapor barrier (or vapor retarder). However, you may need to install a vapor barrier if you have open-cell spray foam insulation. When in doubt, work with a professional insulation contractor, as they can provide more detail about the specific needs of your home in your climate.

The Cortland, IL homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.